EP2120233A4 - Procédé et appareil de codage et de décodage - Google Patents

Procédé et appareil de codage et de décodage

Info

Publication number
EP2120233A4
EP2120233A4 EP08706547A EP08706547A EP2120233A4 EP 2120233 A4 EP2120233 A4 EP 2120233A4 EP 08706547 A EP08706547 A EP 08706547A EP 08706547 A EP08706547 A EP 08706547A EP 2120233 A4 EP2120233 A4 EP 2120233A4
Authority
EP
European Patent Office
Prior art keywords
encoding
decoding method
decoding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08706547A
Other languages
German (de)
English (en)
Other versions
EP2120233A1 (fr
Inventor
Wei Guo
Peilin Liu
Wei Li
Lijing Xu
Qing Zhang
Jianfeng Xu
Shenghu Sang
Zhengzhong Du
Chen Hu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Shanghai Jiaotong University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd, Shanghai Jiaotong University filed Critical Huawei Technologies Co Ltd
Publication of EP2120233A1 publication Critical patent/EP2120233A1/fr
Publication of EP2120233A4 publication Critical patent/EP2120233A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP08706547A 2007-01-23 2008-01-23 Procédé et appareil de codage et de décodage Withdrawn EP2120233A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2007100060040A CN101231850B (zh) 2007-01-23 2007-01-23 编解码方法及装置
PCT/CN2008/070170 WO2008089705A1 (fr) 2007-01-23 2008-01-23 Procédé et appareil de codage et de décodage

Publications (2)

Publication Number Publication Date
EP2120233A1 EP2120233A1 (fr) 2009-11-18
EP2120233A4 true EP2120233A4 (fr) 2010-01-20

Family

ID=39644144

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08706547A Withdrawn EP2120233A4 (fr) 2007-01-23 2008-01-23 Procédé et appareil de codage et de décodage

Country Status (5)

Country Link
US (1) US20090299757A1 (fr)
EP (1) EP2120233A4 (fr)
JP (1) JP2010517083A (fr)
CN (1) CN101231850B (fr)
WO (1) WO2008089705A1 (fr)

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FR2911228A1 (fr) * 2007-01-05 2008-07-11 France Telecom Codage par transformee, utilisant des fenetres de ponderation et a faible retard.
FR2936898A1 (fr) * 2008-10-08 2010-04-09 France Telecom Codage a echantillonnage critique avec codeur predictif
WO2010044593A2 (fr) 2008-10-13 2010-04-22 한국전자통신연구원 Appareil de codage/décodage de signal résiduel lpc de dispositif de codage vocal/audio unifié basé sur une transformée en cosinus discrète modifiée (mdct)
KR101649376B1 (ko) * 2008-10-13 2016-08-31 한국전자통신연구원 Ｍｄｃｔ 기반 음성/오디오 통합 부호화기의 ｌｐｃ 잔차신호 부호화/복호화 장치
US9384748B2 (en) 2008-11-26 2016-07-05 Electronics And Telecommunications Research Institute Unified Speech/Audio Codec (USAC) processing windows sequence based mode switching
KR101315617B1 (ko) * 2008-11-26 2013-10-08 광운대학교 산학협력단 모드 스위칭에 기초하여 윈도우 시퀀스를 처리하는 통합 음성/오디오 부/복호화기
KR101622950B1 (ko) * 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
PL3352168T3 (pl) * 2009-06-23 2021-03-08 Voiceage Corporation Postępowe tłumienie aliasingu w dziedzinie czasu z zastosowaniem w ważonej albo pierwotnej dziedzinie sygnału
ES2441069T3 (es) * 2009-10-08 2014-01-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decodificador multimodo para señal de audio, codificador multimodo para señal de audio, procedimiento y programa de computación que usan un modelado de ruido en base a linealidad-predicción-codificación
MX2012004648A (es) * 2009-10-20 2012-05-29 Fraunhofer Ges Forschung Codificacion de señal de audio, decodificador de señal de audio, metodo para codificar o decodificar una señal de audio utilizando una cancelacion del tipo aliasing.
MX2012004569A (es) 2009-10-20 2012-06-08 Fraunhofer Ges Forschung Codificador de audio, decodificador de audio, metodo para codificar informacion de audio, metodo para decodificar informacion de audio y programa de computacion que usa la deteccion de un grupo de valores espectrales previamente decodificados.
WO2011086066A1 (fr) 2010-01-12 2011-07-21 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Codeur et décodeur audio, procédés de codage et de décodage d'informations audio et programme d'ordinateur utilisant une modification d'une représentation numérique d'une valeur de contexte précédent numérique
US9093066B2 (en) 2010-01-13 2015-07-28 Voiceage Corporation Forward time-domain aliasing cancellation using linear-predictive filtering to cancel time reversed and zero input responses of adjacent frames
US9275650B2 (en) * 2010-06-14 2016-03-01 Panasonic Corporation Hybrid audio encoder and hybrid audio decoder which perform coding or decoding while switching between different codecs
CA3160488C (fr) 2010-07-02 2023-09-05 Dolby International Ab Decodage audio avec post-filtrage selectif
EP2591470B1 (fr) 2010-07-08 2018-12-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codeur utilisant l'annulation du crènelage vers l'avant
KR101826331B1 (ko) * 2010-09-15 2018-03-22 삼성전자주식회사 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법
CN101968961B (zh) * 2010-09-19 2012-03-21 北京航空航天大学 一种基于faac lc模式的多路音频实时编码软件设计方法
CN101968960B (zh) * 2010-09-19 2012-07-25 北京航空航天大学 一种基于faac及faad2的多路音频实时编解码硬件设计平台
MY186055A (en) * 2010-12-29 2021-06-17 Samsung Electronics Co Ltd Coding apparatus and decoding apparatus with bandwidth extension
EP2680599A1 (fr) * 2012-06-29 2014-01-01 Thomson Licensing Fourniture d'un contenu multimédia personnalisé
CN109448745B (zh) * 2013-01-07 2021-09-07 中兴通讯股份有限公司 一种编码模式切换方法和装置、解码模式切换方法和装置
PT2951821T (pt) 2013-01-29 2017-06-06 Fraunhofer Ges Forschung Conceito para codificar a compensação de comutação de modo
EP2980797A1 (fr) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Décodeur audio, procédé et programme d'ordinateur utilisant une réponse d'entrée zéro afin d'obtenir une transition lisse
EP2980796A1 (fr) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Procédé et appareil de traitement d'un signal audio, décodeur audio et codeur audio
CN106816153B (zh) * 2015-12-01 2019-03-15 腾讯科技（深圳）有限公司 一种数据处理方法及其终端
CN115346537A (zh) * 2021-05-14 2022-11-15 华为技术有限公司 一种音频编码、解码方法及装置

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WO2005078706A1 (fr) * 2004-02-18 2005-08-25 Voiceage Corporation Procedes et dispositifs pour l'accentuation a basse frequence lors de la compression audio basee sur les technologies acelp/tcx (codage a prediction lineaire a excitation de code/codage par transformee d'excitation)
WO2005114654A1 (fr) * 2004-05-19 2005-12-01 Nokia Corporation Support de commutateur entre divers modes de codage audio

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US6134518A (en) * 1997-03-04 2000-10-17 International Business Machines Corporation Digital audio signal coding using a CELP coder and a transform coder
US6359929B1 (en) * 1997-07-04 2002-03-19 Matsushita Electric Industrial Co., Ltd. Image predictive decoding method, image predictive decoding apparatus, image predictive coding apparatus, and data storage medium
WO1999010719A1 (fr) * 1997-08-29 1999-03-04 The Regents Of The University Of California Procede et appareil de codage hybride de la parole a 4kbps
US6226608B1 (en) * 1999-01-28 2001-05-01 Dolby Laboratories Licensing Corporation Data framing for adaptive-block-length coding system
US6556624B1 (en) * 1999-07-27 2003-04-29 At&T Corp. Method and apparatus for accomplishing multiple description coding for video
JP3806770B2 (ja) * 2000-03-17 2006-08-09 松下電器産業株式会社 窓処理装置および窓処理方法
EP1215663A1 (fr) * 2000-12-15 2002-06-19 BRITISH TELECOMMUNICATIONS public limited company Codage de signaux audio
JP2004523994A (ja) * 2001-04-10 2004-08-05 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 一連のフレームを符号化する方法
CN100579236C (zh) * 2002-01-18 2010-01-06 皇家飞利浦电子股份有限公司 音频编解码方法和装置
JP4649208B2 (ja) * 2002-07-16 2011-03-09 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオコーディング
JP2006330256A (ja) * 2005-05-25 2006-12-07 Kddi Corp オーディオ信号に対する電子透かし埋込み方法および検出方法

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Publication number Priority date Publication date Assignee Title
WO2005078706A1 (fr) * 2004-02-18 2005-08-25 Voiceage Corporation Procedes et dispositifs pour l'accentuation a basse frequence lors de la compression audio basee sur les technologies acelp/tcx (codage a prediction lineaire a excitation de code/codage par transformee d'excitation)
WO2005114654A1 (fr) * 2004-05-19 2005-12-01 Nokia Corporation Support de commutateur entre divers modes de codage audio

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Audio codec processing functions; Extended Adaptive Multi-Rate - Wideband (AMR-WB+) codec; Transcoding functions (3GPP TS 26.290 version 6.3.0 Release 6); ETSI TS 126 290", ETSI STANDARDS, LIS, SOPHIA ANTIPOLIS CEDEX, FRANCE, vol. 3-SA4, no. V6.3.0, 1 June 2005 (2005-06-01), XP014030612, ISSN: 0000-0001 *
See also references of WO2008089705A1 *

Also Published As

Publication number Publication date
EP2120233A1 (fr) 2009-11-18
JP2010517083A (ja) 2010-05-20
WO2008089705A1 (fr) 2008-07-31
CN101231850A (zh) 2008-07-30
CN101231850B (zh) 2012-02-29
US20090299757A1 (en) 2009-12-03

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